55465040

素因数分解:

$2^4\times 5^1\times {\mathrm{809}}^1\times {\mathrm{857}}^1$

素因数の和:1679

約数の個数: 40

約数和(自身を含む): 129266280

約数和(自身を除く): 73801240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 809, 857, 1618, 1714, 3236, 3428, 4045, 4285, 6472, 6856, 8090, 8570, 12944, 13712, 16180, 17140, 32360, 34280, 64720, 68560, 693313, 1386626, 2773252, 3466565, 5546504, 6933130, 11093008, 13866260, 27732520, 55465040]

約数ペア:

[(1, 55465040), (2, 27732520), (4, 13866260), (5, 11093008), (8, 6933130), (10, 5546504), (16, 3466565), (20, 2773252), (40, 1386626), (80, 693313), (809, 68560), (857, 64720), (1618, 34280), (1714, 32360), (3236, 17140), (3428, 16180), (4045, 13712), (4285, 12944), (6472, 8570), (6856, 8090)]